CVE-2026-16281 Classified Listing < 6.1.1 - Subscriber+ Arbitrary Attachment Deletion and Listing Image Tampering via IDOR
Authenticated users can delete or modify attachments on other users' listings due to missing ownership checks in the Classified Listing plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16281?
CVE-2026-16281 is a high-severity missing authorization vulnerability in Unknown Classified Listing, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach files to, any listing owned by another user.
Weakness: CWE-639
Which versions are affected by CVE-2026-16281?
How do I fix CVE-2026-16281?
No fix has been published for CVE-2026-16281 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-16281 being exploited?
There is no known exploitation of CVE-2026-16281 in the wild and no public exploit code.
Sources
Also known as GHSA-p9w8-7wph-h4x9.